The Selberg Trace Formula for PSL_2(R)^n

The Selberg Trace Formula for PSL_2(R)^n

Author: Isaac Y. Efrat

Publisher: American Mathematical Soc.

Published: 1987

Total Pages: 121

ISBN-13: 0821824244

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We evaluate the Selberg trace formula for all discrete, irreducible, cofinite subgroups of PSL2 ([double-struck capital]R)[italic superscript]n. In particular, this involves studying the spectral theory of the fundamental domain, and the analysis of the appropriate Eisenstein series. A special role is played by the Hilbert modular groups, both because of their relation to the general case, stemming from a rigidity theorem, and their inherent algebraic number theoretic interest.


Path Integrals, Hyperbolic Spaces and Selberg Trace Formulae

Path Integrals, Hyperbolic Spaces and Selberg Trace Formulae

Author: Christian Grosche

Publisher: World Scientific

Published: 2013

Total Pages: 389

ISBN-13: 9814460087

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In this second edition, a comprehensive review is given for path integration in two- and three-dimensional (homogeneous) spaces of constant and non-constant curvature, including an enumeration of all the corresponding coordinate systems which allow separation of variables in the Hamiltonian and in the path integral. The corresponding path integral solutions are presented as a tabulation. Proposals concerning interbasis expansions for spheroidal coordinate systems are also given. In particular, the cases of non-constant curvature Darboux spaces are new in this edition. The volume also contains results on the numerical study of the properties of several integrable billiard systems in compact domains (i.e. rectangles, parallelepipeds, circles and spheres) in two- and three-dimensional flat and hyperbolic spaces. In particular, the discussions of integrable billiards in circles and spheres (flat and hyperbolic spaces) and in three dimensions are new in comparison to the first edition. In addition, an overview is presented on some recent achievements in the theory of the Selberg trace formula on Riemann surfaces, its super generalization, their use in mathematical physics and string theory, and some further results derived from the Selberg (super-) trace formula.


Women in Numbers Europe III

Women in Numbers Europe III

Author: Alina Carmen Cojocaru

Publisher: Springer Nature

Published: 2022-02-01

Total Pages: 334

ISBN-13: 3030777006

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This volume includes articles spanning several research areas in number theory, such as arithmetic geometry, algebraic number theory, analytic number theory, and applications in cryptography and coding theory. Most of the articles are the results of collaborations started at the 3rd edition of the Women in Numbers Europe (WINE) conference between senior and mid-level faculty, junior faculty, postdocs, and graduate students. The contents of this book should be of interest to graduate students and researchers in number theory.